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fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2 to zero or to (X * CST1) ...
authorRichard Guenther <rguenther@suse.de>
Tue, 8 May 2012 12:50:18 +0000 (12:50 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 8 May 2012 12:50:18 +0000 (12:50 +0000)
commitad9fc55abd20a1501ab649693818a93b1538f375
tree1fdd185372150a013ed29ccd9e618fe1a9495380tree
parent04d170d214ae0a801ccfc4f66bf11531d19e75a8commit | diff
fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2 to zero or to (X * CST1) & CST2' when...

2012-05-08  Richard Guenther  <rguenther@suse.de>

* fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.

* gcc.dg/fold-bitand-4.c: New testcase.

From-SVN: r187280
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gcc/fold-const.c diff | blob | blame | history
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gcc/testsuite/gcc.dg/fold-bitand-4.c [new file with mode: 0644] blob
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